Hotchkis Sport Suspension 2236F 1970-1981 GM F-Body Front Sport Sway Bar. Improve cornering of your 70-81 GM F-Body by reducing body roll with a Hotchkis Performance Front Sport Sway Bar. Hotchkis bars are CNC bent for a precise fit and feature lightweight hollow construction and include greasable polyurethane bushings end links brackets and all necessary hardware. Hotchkis bars are powder coated for durability and tested and tuned to ensure the best performance possible. 1-3/8 in. Hollow Front. Looking for a Trick Upgrade? Try our Billet Sway Bar Mounts.